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DU0-001 APC Data Center University Associate Certification Free Practice Exam Questions (2025 Updated)

Prepare effectively for your APC DU0-001 Data Center University Associate Certification certification with our extensive collection of free, high-quality practice questions. Each question is designed to mirror the actual exam format and objectives, complete with comprehensive answers and detailed explanations. Our materials are regularly updated for 2025, ensuring you have the most current resources to build confidence and succeed on your first attempt.

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Total 324 questions

Which is an example of an NCPI management system data point?

A.

Monitoring of network traffic

B.

Mislabeling of kirk-key interlock

C.

Advanced warning of UPS battery deficiency

D.

Reading of boiler room steam pressure levels

What defines a delta to wye transformer?

A.

Takes in three-phases and ground; outputs three-phases and ground

B.

Takes in three-phases, neutral, and ground; outputs three-phases and ground

C.

Takes in three-phases and ground; outputs three-phases, neutral, and ground

D.

Takes in three-phases, neutral, and ground; outputs three-phases, neutral, and ground

Cooling towers are a typical component of which heat rejection system?

A.

Water cooled system

B.

Glycol cooled system

C.

Air cooled split system

D.

Air cooled self-contained system

Which statement describes a key characteristic of humidity?

A.

Air temperature does not affect air water vapor content.

B.

As temperature increases, the air can hold more water vapor.

C.

As the temperature increases, the air can hold less water vapor.

D.

As the temperature decreases, the air can hold more water vapor.

What are two advantages of the distributed redundant UPS configuration? (Choose two.)

A.

It is the easiest configuration to manage.

B.

It uses dual power paths for dual corded servers.

C.

It has increased reliability by eliminating the static transfer switches (STS).

D.

Equipment can be maintained without transferring the load to the bypass.

What is an indirect cost of downtime that is difficult to quantify?

A.

Legal fees

B.

Lost revenues

C.

Idle employees

D.

Damaged brand perception

Which two choices would ease the maintenance and serviceability of equipment in a data center? (Choose two)

A.

Underfloor cabling

B.

Proper cable management

C.

Split rear doors to allow for easier access

D.

Unique enclosures to meet specific equipment needs

What is the most likely cause of unreliability in biometric technology?

A.

Spoofing by an imposter

B.

Failure of the scanning device

C.

Failure to recognize a legitimate user

D.

Incorrect recognition (user recognized as the wrong person)

Which standard ensures physical compatibility between racks, enclosures, and rack mounted equipment?

A.

RoHS

B.

EIA-310

C.

NFPA 70

D.

ASTM A653

Which is the most common high speed data network found in data centers?

A.

FDDI

B.

Arcnet

C.

Ethernet

D.

Token ring

The rear of an IT equipment rack is fitted with a fan-assist device that is connected to a drop ceiling plenum, which is in turn connected to the perimeter CRAC unit.

This is an example of which type of air distribution system?

A.

Flooded supply

B.

Fully ducted return

C.

Locally ducted return

D.

Locally ducted supply

What is a measure of heat intensity?

A.

Volume

B.

Humidity

C.

Pressure

D.

Temperature

What are the two features of enclosures that optimize adaptability when reconfiguring room layouts?

A.

Fan trays

B.

Perforated doors

C.

Field-reversible doors

D.

Quick-release side panels

Which benefit is provided when air distribution methods return the warmest air to the CRAC units?

A.

Decreased heat load in the data center

B.

Increased capacity of the cooling system

C.

Maximized mixing of supply and return air

D.

Elimination of resistance created by underfloor cables

What statement accurately describes the term "continuous load"?

A.

A load left on for 3 consecutive hours or more

B.

A load supported by a direct feed from the utility

C.

A load that supports a continuous run of 208 V cables

D.

A load that consists of components that support both AC and DC power

Which describes an intelligent spot type smoke detector?

A.

Changes the tone of the alarm depending on the heat intensity of a fire

B.

Allows location-specific information to be sent to the central control station

C.

Regulates the amount of air entering the sensor chamber to minimize false alarms

D.

Uses wireless technology similar to RFID which requires fewer detectors per unit area

Click the Exhibit button.

In the exhibit, which power problem is illustrated?

A.

DC offset

B.

Voltage fluctuation

C.

Harmonic distortion

D.

Frequency variation

Which statement defines "service entrance"?

A.

The switchgear delivering AC power to a UPS

B.

The secondary side of a transformer at 208 V or 230 V

C.

The point at which power is distributed from a panel board to a receptacle or local power distribution within an IT enclosure

D.

The point where the responsibility of the electrical power infrastructure shifts from the utility company to the owner or tenants of the building

What is the highest cost UPS configuration?

A.

System + system

B.

Parallel redundant

C.

Isolated redundant

D.

Distributed redundant

What is the historical / traditional architecture of data center cooling?

A.

Rack

B.

Row

C.

Room

D.

Building

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Total 324 questions
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